 | | Journal (issue) | | Minerals from the Skarn of Mina Brejui, Rio Grande do Norte, Brazil Alexander U. Falster1 Luizhelio Barreto... 556 Boa Viagem, 51021-310 Recife, Pernambuco, Brazil • Tungstenite is a relatively rare mineral and...d'Ossola, Italy; Lyangara, Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah...New Orleans, organized a three week fieldtrip to Brazil. The major goal was to study granitic pegmatites...were also investigated. One of these, the Mina Brejui, was the source of line tungstenite (Figs. 1-2) |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...the Cobaltite-Gersdorffite Series from the Raipas Mine, Finnmark, Norway F.M. Vokes and G.S. Strand (With |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...the Cobaltite-Gersdorffite Series from the Raipas Mine, Finnmark, Norway F.M. Vokes and G.S. Strand (With |  | | Book | | and Edenville, large, fine crystals of spine!, titanite, amphibole and pyroxene have been found since...incompletely characterized hydromicas-these nebulous species do not form visible crystals and in themselves are never...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...combinations of rutile, anatase, brookite, hematite and titanite (Philippe Beiley, personal communication, 2010) |  | | Book | | interrelationships, it is no surprise that these metallic elements do occur as ore concentrations in the mantle and its...solvent and the solute are of nearly the same size, do not form intermediate compounds and have the same...Replacement Patterns Involving Pyrrhotite, Ilmenite and Titanite Pyrrhotite is believed to be a high temperature...to the above mentioned examples, magnetite and titanite can marginally replace ilmenite along cracks as...possible. The fact that ilmenite is also replaced by titanite (CaTiSij) complicates the replacement processes |
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